IEC-62037-PIM-measurement

–2–62037©IEC:2XXXCONTENTSPageFOREWORD...........................................................................................................................3Clause1Scopeandobject..............................................................................................................42Levelofintermodulationproducts......................................................................................43Principleoftestprocedure................................................................................................44Testset-up.......................................................................................................................55Preparationoftestspecimen.............................................................................................66Testprocedure.................................................................................................................77Expressionofresults........................................................................................................78Measurementerror...........................................................................................................7Figure1–Set-up1.................................................................................................................8Figure2–Set-up2.................................................................................................................9Figure3–Passiveintermodulationmeasurement(PIM)errorcausedbyresidualsystemPIM........................................................................................10Appendix:A1MeasurementofPassiveIntermodulationincableassemblies........................................11A2MeasurementofPassiveIntermodulationinCoaxialConnectors....................................14A3MeasurementofPassiveIntermodulationinCoaxialCables...........................................21A4MeasurementofPassiveIntermodulationinFilters.........................................................24A5MeasurementofPassiveIntermodulationinAntennasandAccessories..........................3362037©IEC:2XXX–3–INTERNATIONALELECTROTECHNICALCOMMISSION––––––––––––––PASSIVERFANDMICROWAVEDEVICES,INTERMODULATIONLEVELMEASUREMENTFOREWORD1)TheIEC(InternationalElectrotechnicalCommission)isaworldwideorganizationforstandardizationcomprisingallnationalelectrotechnicalcommittees(IECNationalCommittees).TheobjectoftheIECistopromoteinternationalco-operationonallquestionsconcerningstandardizationintheelectricalandelectronicfields.Tothisendandinadditiontootheractivities,theIECpublishesInternationalStandards.Theirpreparationisentrustedtotechnicalcommittees;anyIECNationalCommitteeinterestedinthesubjectdealtwithmayparticipateinthispreparatorywork.International,governmentalandnon-governmentalorganizationsliaisingwiththeIECalsoparticipateinthispreparation.TheIECcollaboratescloselywiththeInternationalOrganizationforStandardization(ISO)inaccordancewithconditionsdeterminedbyagreementbetweenthetwoorganizations.2)TheformaldecisionsoragreementsoftheIEContechnicalmattersexpress,asnearlyaspossible,aninternationalconsensusofopinionontherelevantsubjectssinceeachtechnicalcommitteehasrepresentationfromallinterestedNationalCommittees.3)Thedocumentsproducedhavetheformofrecommendationsforinternationaluseandarepublishedintheformofstandards,technicalspecifications,technicalreportsorguidesandtheyareacceptedbytheNationalCommitteesinthatsense.4)Inordertopromoteinternationalunification,IECNationalCommitteesundertaketoapplyIECInternationalStandardstransparentlytothemaximumextentpossibleintheirnationalandregionalstandards.AnydivergencebetweentheIECStandardandthecorrespondingnationalorregionalstandardshallbeclearlyindicatedinthelatter.5)TheIECprovidesnomarkingproceduretoindicateitsapprovalandcannotberenderedresponsibleforanyequipmentdeclaredtobeinconformitywithoneofitsstandards.6)Attentionisdrawntothepossibilitythatsomeoftheelementsofthistechnicalspecificationmaybethesubjectofpatentrights.TheIECshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.InternationalStandardIEC62037hasbeenpreparedbyIECtechnicalcommittee46:Cables,wires,waveguides,r.f.connectors,andaccessoriesforcommunicationandsignalling.Thetextofthisstandardisbasedonthefollowingdocuments:FDISReportonvotingXX/XX/FDISXX/XX/RVDFullinformationonthevotingfortheapprovalofthisstandardcanbefoundinthereportonvotingindicatedintheabovetable.ThispublicationhasbeendraftedinaccordancewiththeISO/IECDirectives,Part3.Thecommitteehasdecidedthatthispublicationremainsvaliduntil2XXX.Atthisdate,inaccordancewiththecommittee’sdecision,thepublicationwillbe•reconfirmed;•withdrawn;•replacedbyarevisededition,or•amended.Abilingualversionofthispublicationmaybeissuedatalaterdate.–4–62037©IEC:2XXXPASSIVERFANDMICROWAVEDEVICES,INTERMODULATIONLEVELMEASUREMENT1ScopeandobjectThisStandardisapplicabletotheintermodulation(IM)levelmeasurementofpassiveRFandmicrowavecomponents,whichcanbecausedbythepresenceoftwoormoretransmittingsignals.Theobjectofthetestproceduresgiveninthisstand